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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _LINUX_RESET_H_
- #define _LINUX_RESET_H_
- #include <linux/err.h>
- #include <linux/errno.h>
- #include <linux/types.h>
- struct device;
- struct device_node;
- struct reset_control;
- /**
- * struct reset_control_bulk_data - Data used for bulk reset control operations.
- *
- * @id: reset control consumer ID
- * @rstc: struct reset_control * to store the associated reset control
- *
- * The reset APIs provide a series of reset_control_bulk_*() API calls as
- * a convenience to consumers which require multiple reset controls.
- * This structure is used to manage data for these calls.
- */
- struct reset_control_bulk_data {
- const char *id;
- struct reset_control *rstc;
- };
- #ifdef CONFIG_RESET_CONTROLLER
- int reset_control_reset(struct reset_control *rstc);
- int reset_control_rearm(struct reset_control *rstc);
- int reset_control_assert(struct reset_control *rstc);
- int reset_control_deassert(struct reset_control *rstc);
- int reset_control_status(struct reset_control *rstc);
- int reset_control_acquire(struct reset_control *rstc);
- void reset_control_release(struct reset_control *rstc);
- int reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs);
- int reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs);
- int reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs);
- int reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs);
- void reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs);
- struct reset_control *__of_reset_control_get(struct device_node *node,
- const char *id, int index, bool shared,
- bool optional, bool acquired);
- struct reset_control *__reset_control_get(struct device *dev, const char *id,
- int index, bool shared,
- bool optional, bool acquired);
- void reset_control_put(struct reset_control *rstc);
- int __reset_control_bulk_get(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs,
- bool shared, bool optional, bool acquired);
- void reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs);
- int __device_reset(struct device *dev, bool optional);
- struct reset_control *__devm_reset_control_get(struct device *dev,
- const char *id, int index, bool shared,
- bool optional, bool acquired);
- int __devm_reset_control_bulk_get(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs,
- bool shared, bool optional, bool acquired);
- struct reset_control *devm_reset_control_array_get(struct device *dev,
- bool shared, bool optional);
- struct reset_control *of_reset_control_array_get(struct device_node *np,
- bool shared, bool optional,
- bool acquired);
- int reset_control_get_count(struct device *dev);
- #else
- static inline int reset_control_reset(struct reset_control *rstc)
- {
- return 0;
- }
- static inline int reset_control_rearm(struct reset_control *rstc)
- {
- return 0;
- }
- static inline int reset_control_assert(struct reset_control *rstc)
- {
- return 0;
- }
- static inline int reset_control_deassert(struct reset_control *rstc)
- {
- return 0;
- }
- static inline int reset_control_status(struct reset_control *rstc)
- {
- return 0;
- }
- static inline int reset_control_acquire(struct reset_control *rstc)
- {
- return 0;
- }
- static inline void reset_control_release(struct reset_control *rstc)
- {
- }
- static inline void reset_control_put(struct reset_control *rstc)
- {
- }
- static inline int __device_reset(struct device *dev, bool optional)
- {
- return optional ? 0 : -ENOTSUPP;
- }
- static inline struct reset_control *__of_reset_control_get(
- struct device_node *node,
- const char *id, int index, bool shared,
- bool optional, bool acquired)
- {
- return optional ? NULL : ERR_PTR(-ENOTSUPP);
- }
- static inline struct reset_control *__reset_control_get(
- struct device *dev, const char *id,
- int index, bool shared, bool optional,
- bool acquired)
- {
- return optional ? NULL : ERR_PTR(-ENOTSUPP);
- }
- static inline int
- reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs)
- {
- return 0;
- }
- static inline int
- reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs)
- {
- return 0;
- }
- static inline int
- reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs)
- {
- return 0;
- }
- static inline int
- reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs)
- {
- return 0;
- }
- static inline void
- reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs)
- {
- }
- static inline int
- __reset_control_bulk_get(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs,
- bool shared, bool optional, bool acquired)
- {
- return optional ? 0 : -EOPNOTSUPP;
- }
- static inline void
- reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs)
- {
- }
- static inline struct reset_control *__devm_reset_control_get(
- struct device *dev, const char *id,
- int index, bool shared, bool optional,
- bool acquired)
- {
- return optional ? NULL : ERR_PTR(-ENOTSUPP);
- }
- static inline int
- __devm_reset_control_bulk_get(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs,
- bool shared, bool optional, bool acquired)
- {
- return optional ? 0 : -EOPNOTSUPP;
- }
- static inline struct reset_control *
- devm_reset_control_array_get(struct device *dev, bool shared, bool optional)
- {
- return optional ? NULL : ERR_PTR(-ENOTSUPP);
- }
- static inline struct reset_control *
- of_reset_control_array_get(struct device_node *np, bool shared, bool optional,
- bool acquired)
- {
- return optional ? NULL : ERR_PTR(-ENOTSUPP);
- }
- static inline int reset_control_get_count(struct device *dev)
- {
- return -ENOENT;
- }
- #endif /* CONFIG_RESET_CONTROLLER */
- static inline int __must_check device_reset(struct device *dev)
- {
- return __device_reset(dev, false);
- }
- static inline int device_reset_optional(struct device *dev)
- {
- return __device_reset(dev, true);
- }
- /**
- * reset_control_get_exclusive - Lookup and obtain an exclusive reference
- * to a reset controller.
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Returns a struct reset_control or IS_ERR() condition containing errno.
- * If this function is called more than once for the same reset_control it will
- * return -EBUSY.
- *
- * See reset_control_get_shared() for details on shared references to
- * reset-controls.
- *
- * Use of id names is optional.
- */
- static inline struct reset_control *
- __must_check reset_control_get_exclusive(struct device *dev, const char *id)
- {
- return __reset_control_get(dev, id, 0, false, false, true);
- }
- /**
- * reset_control_bulk_get_exclusive - Lookup and obtain exclusive references to
- * multiple reset controllers.
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Fills the rstcs array with pointers to exclusive reset controls and
- * returns 0, or an IS_ERR() condition containing errno.
- */
- static inline int __must_check
- reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, true);
- }
- /**
- * reset_control_get_exclusive_released - Lookup and obtain a temoprarily
- * exclusive reference to a reset
- * controller.
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Returns a struct reset_control or IS_ERR() condition containing errno.
- * reset-controls returned by this function must be acquired via
- * reset_control_acquire() before they can be used and should be released
- * via reset_control_release() afterwards.
- *
- * Use of id names is optional.
- */
- static inline struct reset_control *
- __must_check reset_control_get_exclusive_released(struct device *dev,
- const char *id)
- {
- return __reset_control_get(dev, id, 0, false, false, false);
- }
- /**
- * reset_control_bulk_get_exclusive_released - Lookup and obtain temporarily
- * exclusive references to multiple reset
- * controllers.
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Fills the rstcs array with pointers to exclusive reset controls and
- * returns 0, or an IS_ERR() condition containing errno.
- * reset-controls returned by this function must be acquired via
- * reset_control_bulk_acquire() before they can be used and should be released
- * via reset_control_bulk_release() afterwards.
- */
- static inline int __must_check
- reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, false);
- }
- /**
- * reset_control_bulk_get_optional_exclusive_released - Lookup and obtain optional
- * temporarily exclusive references to multiple
- * reset controllers.
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Optional variant of reset_control_bulk_get_exclusive_released(). If the
- * requested reset is not specified in the device tree, this function returns 0
- * instead of an error and missing rtsc is set to NULL.
- *
- * See reset_control_bulk_get_exclusive_released() for more information.
- */
- static inline int __must_check
- reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, false);
- }
- /**
- * reset_control_get_shared - Lookup and obtain a shared reference to a
- * reset controller.
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Returns a struct reset_control or IS_ERR() condition containing errno.
- * This function is intended for use with reset-controls which are shared
- * between hardware blocks.
- *
- * When a reset-control is shared, the behavior of reset_control_assert /
- * deassert is changed, the reset-core will keep track of a deassert_count
- * and only (re-)assert the reset after reset_control_assert has been called
- * as many times as reset_control_deassert was called. Also see the remark
- * about shared reset-controls in the reset_control_assert docs.
- *
- * Calling reset_control_assert without first calling reset_control_deassert
- * is not allowed on a shared reset control. Calling reset_control_reset is
- * also not allowed on a shared reset control.
- *
- * Use of id names is optional.
- */
- static inline struct reset_control *reset_control_get_shared(
- struct device *dev, const char *id)
- {
- return __reset_control_get(dev, id, 0, true, false, false);
- }
- /**
- * reset_control_bulk_get_shared - Lookup and obtain shared references to
- * multiple reset controllers.
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Fills the rstcs array with pointers to shared reset controls and
- * returns 0, or an IS_ERR() condition containing errno.
- */
- static inline int __must_check
- reset_control_bulk_get_shared(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, false);
- }
- /**
- * reset_control_get_optional_exclusive - optional reset_control_get_exclusive()
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Optional variant of reset_control_get_exclusive(). If the requested reset
- * is not specified in the device tree, this function returns NULL instead of
- * an error.
- *
- * See reset_control_get_exclusive() for more information.
- */
- static inline struct reset_control *reset_control_get_optional_exclusive(
- struct device *dev, const char *id)
- {
- return __reset_control_get(dev, id, 0, false, true, true);
- }
- /**
- * reset_control_bulk_get_optional_exclusive - optional
- * reset_control_bulk_get_exclusive()
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Optional variant of reset_control_bulk_get_exclusive(). If any of the
- * requested resets are not specified in the device tree, this function sets
- * them to NULL instead of returning an error.
- *
- * See reset_control_bulk_get_exclusive() for more information.
- */
- static inline int __must_check
- reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, true);
- }
- /**
- * reset_control_get_optional_shared - optional reset_control_get_shared()
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Optional variant of reset_control_get_shared(). If the requested reset
- * is not specified in the device tree, this function returns NULL instead of
- * an error.
- *
- * See reset_control_get_shared() for more information.
- */
- static inline struct reset_control *reset_control_get_optional_shared(
- struct device *dev, const char *id)
- {
- return __reset_control_get(dev, id, 0, true, true, false);
- }
- /**
- * reset_control_bulk_get_optional_shared - optional
- * reset_control_bulk_get_shared()
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Optional variant of reset_control_bulk_get_shared(). If the requested resets
- * are not specified in the device tree, this function sets them to NULL
- * instead of returning an error.
- *
- * See reset_control_bulk_get_shared() for more information.
- */
- static inline int __must_check
- reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __reset_control_bulk_get(dev, num_rstcs, rstcs, true, true, false);
- }
- /**
- * of_reset_control_get_exclusive - Lookup and obtain an exclusive reference
- * to a reset controller.
- * @node: device to be reset by the controller
- * @id: reset line name
- *
- * Returns a struct reset_control or IS_ERR() condition containing errno.
- *
- * Use of id names is optional.
- */
- static inline struct reset_control *of_reset_control_get_exclusive(
- struct device_node *node, const char *id)
- {
- return __of_reset_control_get(node, id, 0, false, false, true);
- }
- /**
- * of_reset_control_get_optional_exclusive - Lookup and obtain an optional exclusive
- * reference to a reset controller.
- * @node: device to be reset by the controller
- * @id: reset line name
- *
- * Optional variant of of_reset_control_get_exclusive(). If the requested reset
- * is not specified in the device tree, this function returns NULL instead of
- * an error.
- *
- * Returns a struct reset_control or IS_ERR() condition containing errno.
- *
- * Use of id names is optional.
- */
- static inline struct reset_control *of_reset_control_get_optional_exclusive(
- struct device_node *node, const char *id)
- {
- return __of_reset_control_get(node, id, 0, false, true, true);
- }
- /**
- * of_reset_control_get_shared - Lookup and obtain a shared reference
- * to a reset controller.
- * @node: device to be reset by the controller
- * @id: reset line name
- *
- * When a reset-control is shared, the behavior of reset_control_assert /
- * deassert is changed, the reset-core will keep track of a deassert_count
- * and only (re-)assert the reset after reset_control_assert has been called
- * as many times as reset_control_deassert was called. Also see the remark
- * about shared reset-controls in the reset_control_assert docs.
- *
- * Calling reset_control_assert without first calling reset_control_deassert
- * is not allowed on a shared reset control. Calling reset_control_reset is
- * also not allowed on a shared reset control.
- * Returns a struct reset_control or IS_ERR() condition containing errno.
- *
- * Use of id names is optional.
- */
- static inline struct reset_control *of_reset_control_get_shared(
- struct device_node *node, const char *id)
- {
- return __of_reset_control_get(node, id, 0, true, false, false);
- }
- /**
- * of_reset_control_get_exclusive_by_index - Lookup and obtain an exclusive
- * reference to a reset controller
- * by index.
- * @node: device to be reset by the controller
- * @index: index of the reset controller
- *
- * This is to be used to perform a list of resets for a device or power domain
- * in whatever order. Returns a struct reset_control or IS_ERR() condition
- * containing errno.
- */
- static inline struct reset_control *of_reset_control_get_exclusive_by_index(
- struct device_node *node, int index)
- {
- return __of_reset_control_get(node, NULL, index, false, false, true);
- }
- /**
- * of_reset_control_get_shared_by_index - Lookup and obtain a shared
- * reference to a reset controller
- * by index.
- * @node: device to be reset by the controller
- * @index: index of the reset controller
- *
- * When a reset-control is shared, the behavior of reset_control_assert /
- * deassert is changed, the reset-core will keep track of a deassert_count
- * and only (re-)assert the reset after reset_control_assert has been called
- * as many times as reset_control_deassert was called. Also see the remark
- * about shared reset-controls in the reset_control_assert docs.
- *
- * Calling reset_control_assert without first calling reset_control_deassert
- * is not allowed on a shared reset control. Calling reset_control_reset is
- * also not allowed on a shared reset control.
- * Returns a struct reset_control or IS_ERR() condition containing errno.
- *
- * This is to be used to perform a list of resets for a device or power domain
- * in whatever order. Returns a struct reset_control or IS_ERR() condition
- * containing errno.
- */
- static inline struct reset_control *of_reset_control_get_shared_by_index(
- struct device_node *node, int index)
- {
- return __of_reset_control_get(node, NULL, index, true, false, false);
- }
- /**
- * devm_reset_control_get_exclusive - resource managed
- * reset_control_get_exclusive()
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Managed reset_control_get_exclusive(). For reset controllers returned
- * from this function, reset_control_put() is called automatically on driver
- * detach.
- *
- * See reset_control_get_exclusive() for more information.
- */
- static inline struct reset_control *
- __must_check devm_reset_control_get_exclusive(struct device *dev,
- const char *id)
- {
- return __devm_reset_control_get(dev, id, 0, false, false, true);
- }
- /**
- * devm_reset_control_bulk_get_exclusive - resource managed
- * reset_control_bulk_get_exclusive()
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Managed reset_control_bulk_get_exclusive(). For reset controllers returned
- * from this function, reset_control_put() is called automatically on driver
- * detach.
- *
- * See reset_control_bulk_get_exclusive() for more information.
- */
- static inline int __must_check
- devm_reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, true);
- }
- /**
- * devm_reset_control_get_exclusive_released - resource managed
- * reset_control_get_exclusive_released()
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Managed reset_control_get_exclusive_released(). For reset controllers
- * returned from this function, reset_control_put() is called automatically on
- * driver detach.
- *
- * See reset_control_get_exclusive_released() for more information.
- */
- static inline struct reset_control *
- __must_check devm_reset_control_get_exclusive_released(struct device *dev,
- const char *id)
- {
- return __devm_reset_control_get(dev, id, 0, false, false, false);
- }
- /**
- * devm_reset_control_bulk_get_exclusive_released - resource managed
- * reset_control_bulk_get_exclusive_released()
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Managed reset_control_bulk_get_exclusive_released(). For reset controllers
- * returned from this function, reset_control_put() is called automatically on
- * driver detach.
- *
- * See reset_control_bulk_get_exclusive_released() for more information.
- */
- static inline int __must_check
- devm_reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, false);
- }
- /**
- * devm_reset_control_get_optional_exclusive_released - resource managed
- * reset_control_get_optional_exclusive_released()
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Managed-and-optional variant of reset_control_get_exclusive_released(). For
- * reset controllers returned from this function, reset_control_put() is called
- * automatically on driver detach.
- *
- * See reset_control_get_exclusive_released() for more information.
- */
- static inline struct reset_control *
- __must_check devm_reset_control_get_optional_exclusive_released(struct device *dev,
- const char *id)
- {
- return __devm_reset_control_get(dev, id, 0, false, true, false);
- }
- /**
- * devm_reset_control_bulk_get_optional_exclusive_released - resource managed
- * reset_control_bulk_optional_get_exclusive_released()
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Managed reset_control_bulk_optional_get_exclusive_released(). For reset
- * controllers returned from this function, reset_control_put() is called
- * automatically on driver detach.
- *
- * See reset_control_bulk_optional_get_exclusive_released() for more information.
- */
- static inline int __must_check
- devm_reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, false);
- }
- /**
- * devm_reset_control_get_shared - resource managed reset_control_get_shared()
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Managed reset_control_get_shared(). For reset controllers returned from
- * this function, reset_control_put() is called automatically on driver detach.
- * See reset_control_get_shared() for more information.
- */
- static inline struct reset_control *devm_reset_control_get_shared(
- struct device *dev, const char *id)
- {
- return __devm_reset_control_get(dev, id, 0, true, false, false);
- }
- /**
- * devm_reset_control_bulk_get_shared - resource managed
- * reset_control_bulk_get_shared()
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Managed reset_control_bulk_get_shared(). For reset controllers returned
- * from this function, reset_control_put() is called automatically on driver
- * detach.
- *
- * See reset_control_bulk_get_shared() for more information.
- */
- static inline int __must_check
- devm_reset_control_bulk_get_shared(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, false);
- }
- /**
- * devm_reset_control_get_optional_exclusive - resource managed
- * reset_control_get_optional_exclusive()
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Managed reset_control_get_optional_exclusive(). For reset controllers
- * returned from this function, reset_control_put() is called automatically on
- * driver detach.
- *
- * See reset_control_get_optional_exclusive() for more information.
- */
- static inline struct reset_control *devm_reset_control_get_optional_exclusive(
- struct device *dev, const char *id)
- {
- return __devm_reset_control_get(dev, id, 0, false, true, true);
- }
- /**
- * devm_reset_control_bulk_get_optional_exclusive - resource managed
- * reset_control_bulk_get_optional_exclusive()
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Managed reset_control_bulk_get_optional_exclusive(). For reset controllers
- * returned from this function, reset_control_put() is called automatically on
- * driver detach.
- *
- * See reset_control_bulk_get_optional_exclusive() for more information.
- */
- static inline int __must_check
- devm_reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, true);
- }
- /**
- * devm_reset_control_get_optional_shared - resource managed
- * reset_control_get_optional_shared()
- * @dev: device to be reset by the controller
- * @id: reset line name
- *
- * Managed reset_control_get_optional_shared(). For reset controllers returned
- * from this function, reset_control_put() is called automatically on driver
- * detach.
- *
- * See reset_control_get_optional_shared() for more information.
- */
- static inline struct reset_control *devm_reset_control_get_optional_shared(
- struct device *dev, const char *id)
- {
- return __devm_reset_control_get(dev, id, 0, true, true, false);
- }
- /**
- * devm_reset_control_bulk_get_optional_shared - resource managed
- * reset_control_bulk_get_optional_shared()
- * @dev: device to be reset by the controller
- * @num_rstcs: number of entries in rstcs array
- * @rstcs: array of struct reset_control_bulk_data with reset line names set
- *
- * Managed reset_control_bulk_get_optional_shared(). For reset controllers
- * returned from this function, reset_control_put() is called automatically on
- * driver detach.
- *
- * See reset_control_bulk_get_optional_shared() for more information.
- */
- static inline int __must_check
- devm_reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs,
- struct reset_control_bulk_data *rstcs)
- {
- return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, true, false);
- }
- /**
- * devm_reset_control_get_exclusive_by_index - resource managed
- * reset_control_get_exclusive()
- * @dev: device to be reset by the controller
- * @index: index of the reset controller
- *
- * Managed reset_control_get_exclusive(). For reset controllers returned from
- * this function, reset_control_put() is called automatically on driver
- * detach.
- *
- * See reset_control_get_exclusive() for more information.
- */
- static inline struct reset_control *
- devm_reset_control_get_exclusive_by_index(struct device *dev, int index)
- {
- return __devm_reset_control_get(dev, NULL, index, false, false, true);
- }
- /**
- * devm_reset_control_get_shared_by_index - resource managed
- * reset_control_get_shared
- * @dev: device to be reset by the controller
- * @index: index of the reset controller
- *
- * Managed reset_control_get_shared(). For reset controllers returned from
- * this function, reset_control_put() is called automatically on driver detach.
- * See reset_control_get_shared() for more information.
- */
- static inline struct reset_control *
- devm_reset_control_get_shared_by_index(struct device *dev, int index)
- {
- return __devm_reset_control_get(dev, NULL, index, true, false, false);
- }
- /*
- * TEMPORARY calls to use during transition:
- *
- * of_reset_control_get() => of_reset_control_get_exclusive()
- *
- * These inline function calls will be removed once all consumers
- * have been moved over to the new explicit API.
- */
- static inline struct reset_control *of_reset_control_get(
- struct device_node *node, const char *id)
- {
- return of_reset_control_get_exclusive(node, id);
- }
- static inline struct reset_control *of_reset_control_get_by_index(
- struct device_node *node, int index)
- {
- return of_reset_control_get_exclusive_by_index(node, index);
- }
- static inline struct reset_control *devm_reset_control_get(
- struct device *dev, const char *id)
- {
- return devm_reset_control_get_exclusive(dev, id);
- }
- static inline struct reset_control *devm_reset_control_get_optional(
- struct device *dev, const char *id)
- {
- return devm_reset_control_get_optional_exclusive(dev, id);
- }
- static inline struct reset_control *devm_reset_control_get_by_index(
- struct device *dev, int index)
- {
- return devm_reset_control_get_exclusive_by_index(dev, index);
- }
- /*
- * APIs to manage a list of reset controllers
- */
- static inline struct reset_control *
- devm_reset_control_array_get_exclusive(struct device *dev)
- {
- return devm_reset_control_array_get(dev, false, false);
- }
- static inline struct reset_control *
- devm_reset_control_array_get_shared(struct device *dev)
- {
- return devm_reset_control_array_get(dev, true, false);
- }
- static inline struct reset_control *
- devm_reset_control_array_get_optional_exclusive(struct device *dev)
- {
- return devm_reset_control_array_get(dev, false, true);
- }
- static inline struct reset_control *
- devm_reset_control_array_get_optional_shared(struct device *dev)
- {
- return devm_reset_control_array_get(dev, true, true);
- }
- static inline struct reset_control *
- of_reset_control_array_get_exclusive(struct device_node *node)
- {
- return of_reset_control_array_get(node, false, false, true);
- }
- static inline struct reset_control *
- of_reset_control_array_get_exclusive_released(struct device_node *node)
- {
- return of_reset_control_array_get(node, false, false, false);
- }
- static inline struct reset_control *
- of_reset_control_array_get_shared(struct device_node *node)
- {
- return of_reset_control_array_get(node, true, false, true);
- }
- static inline struct reset_control *
- of_reset_control_array_get_optional_exclusive(struct device_node *node)
- {
- return of_reset_control_array_get(node, false, true, true);
- }
- static inline struct reset_control *
- of_reset_control_array_get_optional_shared(struct device_node *node)
- {
- return of_reset_control_array_get(node, true, true, true);
- }
- #endif
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